2008 Hummer H3 vs. 2003 Opel Vectra
To start off, 2008 Hummer H3 is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. At 3,653 cc (5 cylinders), 2008 Hummer H3 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2008 Hummer H3 weights approximately 626 kg more than 2003 Opel Vectra.
Because 2008 Hummer H3 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2008 Hummer H3 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2003 Opel Vectra (370 Nm @ 1900 RPM) has 42 more torque (in Nm) than 2008 Hummer H3. (328 Nm @ 4600 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2008 Hummer H3. 2008 Hummer H3 has automatic transmission and 2003 Opel Vectra has manual transmission. 2003 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Hummer H3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Hummer H3 | 2003 Opel Vectra | |
| Make | Hummer | Opel |
| Model | H3 | Vectra |
| Year Released | 2008 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 3653 cc | 2957 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 0 HP | 173 HP |
| Torque | 328 Nm | 370 Nm |
| Torque RPM | 4600 RPM | 1900 RPM |
| Engine Bore Size | 95.5 mm | 87.5 mm |
| Engine Stroke Size | 102 mm | 82 mm |
| Engine Compression Ratio | 10.0:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2231 kg | 1605 kg |
| Vehicle Length | 4750 mm | 4600 mm |
| Vehicle Height | 2020 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2740 mm |
| Fuel Tank Capacity | 87 L | 60 L |
